74HC155 (Dual 2-to-4-line Decoders/demultiplexers) water flow the direction of rotation and

the direction of rotation and if the shaft is depressed

Shunt mode force sensing resistors are polymer thick-film devices consisting of two membranes separated by a thin air gap

ATMEGA328P is most popular of all because of its features and cost

This module use is very easy which you could direct control by push button on board  or by Microcontroller such as Arduino

which can be used to drive two DC motors at up to 2A each

74HC155 (Dual 2-to-4-line Decoders/demultiplexers) water flow the direction of rotation andIntroduction : 74HC155 (Dual 2 to 4 line Decoders demultiplexers) It is in the DIP 16 sheath. 74HC155 is in the category of Integration Decoder Encoder and is a 2 4 Line Decoder Demultiplexer integrated in function. 74HC155 2 4 Line Decoder Demultiplexer Integration with 4 outputs works with a supply voltage between 2 6 V. To see the functions and functions of the 74HC155 Decoder Encoder Integration in more detail, be sure to review the datasheet of